LET O ,1 O BE THE CENTERS OF CIRCLES 2 C ,1 C IN A PLANE...
1.
Let
O ,
1
O be the centers of circles
2
C ,
1
C in a plane respectively, and the circles
2
meet at two distinct points A , B . Line
O A meets the circle
1
C at point
1
P , and line
1
O A meets the circle
2
C at point
2
P . Determine the maximum number of points
2
lying in a circle among these 6 points A, B,
O ,
1
O ,
2
P and
1
P .
2
Answer:_________________________.